.tsg_container .tsg_main .tsg_content{
    width: 100%;
    min-width: 1120px;
    height: 100px;
    text-align: center;
    font-size: 30px;
}
.tsg_container .tsg_main .tsg_content li{
    float: left;
    width: 50%;
    height: 400px;
    border:1px solid #ccc;
    border-radius:10px;
    box-shadow: 0 0 5px #ccc;
}
.tsg_container .tsg_main .tsg_content li a{
    display: block;
    width: 100px;
    background-color: #00AA88;
    border: 1px solid #00AA88;
    border-radius:10px;
    margin: 0 auto;
}
.floor1{
    background:url("../images/floor2.jpg") no-repeat center;
    background-size:cover;
}
.floor2{
    background:url("../images/floor3.jpg") no-repeat center;
    background-size:cover;
}
.floor3{
     background:url("../images/floor4.jpg") no-repeat center;
     background-size:cover;
 }
.floor4{
    background:url("../images/floor5.jpg") no-repeat center;
    background-size:cover;
}